over 16.5mm

Vintage amp knob black with white line for 6.35mm potentiometer.
Mounting with set screw
Diameter down: 20.5mm
Diameter up: [...]

Vintage amp knob brown with white line for 6.35mm potentiometer.
Mounting with set screw
Diameter down: 20.5mm
Diameter up: [...]

Vintage amp knob red with white line for 6.35mm potentiometer.
Mounting with set screw
Diameter down: 20.5mm
Diameter up: [...]

Vintage amp knob yellow with white line for 6.35mm potentiometer.
Mounting with set screw
Diameter down: 20.5mm
Diameter up: [...]

Pointer knob gold with black marking line. For Pots with 6,35mm shaft. Set screw.

Diameter down:19mm
Diameter up :19x8
Total [...]

Pointer knob silver with black marking line. For Pots with 6,35mm shaft. Set screw.

Diameter down:19mm
Diameter up :19x8
Total [...]

Pointer Knob green with white marking line. For Pots with 6,35mm shaft. Set screw.

Diameter down:19mm
Diameter up :19x8
Total [...]

Pointer Knob copper/bronce with black marking line. For Pots with 6,35mm shaft. Set screw.

Diameter down:19mm
Diameter up  [...]

Davies 1400 clone red. For Pots with 6,35mm shaft. Set screw.

Diameter down:17mm
Diameter down with nose: 21mm Diameter up  [...]

Davies 1400 clone blue. For Pots with 6,35mm shaft. Set screw.

Diameter down:17mm
Diameter down with nose: 21mm Diameter up  [...]

Pointer knob gey with white marking line. For Pots with 6,35mm shaft. Set screw.

Diameter down:19mm
Diameter up :19x8
Total [...]

Red knob like MXR. For Pots with 6,35mm shaft. Set screw.

Diameter down:23,8mm (0.94")
Diameter up :19mm (0.71")
Total height  [...]